Thousands of years ago, a little boy was born. He was able to eat ghosts since he was a child, nourishing his body with ghost energy, and eventually became a ghost king. The people in the underworld were frightened and called him the Demon King.
Thousands of years later, he picked up a little girl and disappeared without a trace.
It wasn't until a trainee ghost driver was injured that a hair was broken, and the Ghost King was born...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.